Core lifter



FIG. 1 is a perspective view of a core lifter;

FIG. 2 is a front elevational view of the core lifter shown in FIG. 1, the right side elevational view being identical thereto;

FIG. 3 is a bottom plan view of the core lifter shown in FIG. 1;

FIG. 4 is top plan view of the core lifter shown in FIG. 1;

FIG. 5 is a left side elevational view of the core lifter shown in FIG. 1; and,

FIG. 6 is a rear elevational view of the core lifter shown in FIG. 1. 

The ornamental design for a core lifter, as shown and described. 